/*
 * Copyright 2013-2018 Lilinfeng.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.phei.netty.pio;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

import com.phei.netty.bio.TimeServerHandler;

/**
 * @author lilinfeng
 * @version 1.0
 * @date 2014年2月14日
 * 由于读和写操作都是同步阻塞的，阻塞时间取决于对方I/O线程的处理速度和网络I/O的传输速度，因此可靠性较差。
 */
public class TimeServer {

  /**
   * @param args
   * @throws IOException
   */
  public static void main(String[] args) throws IOException {
    int port = 8080;
    if (args != null && args.length > 0) {
      try {
        port = Integer.valueOf(args[0]);
      } catch (NumberFormatException e) {
        // 采用默认值
      }
    }

    ServerSocket server = null;
    try {
      server = new ServerSocket(port);
      System.out.println("The time server is start in port : " + port);
      Socket socket = null;
      //通过 线程池（可以设置最大线程数和消息队列的大小） 来处理客户端的并发接入
      TimeServerHandlerExecutePool singleExecutor =
          new TimeServerHandlerExecutePool(50, 10000);// 创建IO任务线程池
      while (true) {
        socket = server.accept();
        //将请求Socket封装成一个Task，然后调用线程池的execute方法执行
        singleExecutor.execute(new TimeServerHandler(socket));
      }
    } finally {
      if (server != null) {
        System.out.println("The time server close");
        server.close();
        server = null;
      }
    }
  }
}
